D. Scientific hypotheses must be testable.
Which of these is a key feature of the scientific method
A. Once a hypothesis has been proved, it can never be changed.
B. Experiments need not be repeatable.
C. Science is moral.
D. Scientific hypotheses must be testable.
Psychology
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Answer the following statements true (T) or false (F)
1. Ghrelin is produced in the hypothalamus. 2. Leptin is secreted by fat cells and functions as an anorexigenic signal. 3. Leptin deficiency is associated with anorexia nervosa. 4. When the ventromedial hypothalamus is destroyed, rats will starve to death in a cage full of food. 5. Bulimia nervosa is a disorder characterized by binge eating followed by purging.
Psychology
Answer the following statements true (T) or false (F)
1 Empiricists believe that accurate knowledge about the world requires observation of it 2 Dogmatism is a desired characteristic of science 3 A theory is a testable prediction made by a hypothesis 4 Scientists tend to judge more complex theories as preferable to simpler theories 5 An operational definition is a description of a property in measurable terms
Psychology
According to Erik Erikson, the normative psychosocial crisis of adolescence is
A) integrity vs. despair. B) industry vs. inferiority. C) initiative vs. guilt. D) identity vs. identity confusion.
Psychology
Spontaneous recovery
What will be an ideal response?
Psychology